7 Most useful Codes you need to have

1. To claim for unclaimed assets

Dial *361#

2. CRB

To heck your status, listings and credit score eg being listed by a bank

Dial *433#

3. NHIF

To register, make payments, check status and update beneficiaries
Dial *155#

4. NSSF

To collect, safeguard, invest, distribute retirement funds of employees and other NSSF services
Dial *303#

5. HELB

Students can apply loans
Dial *642#

6. KPLC

check and pay electricity bill
Dial *977#

7. Nairobi Water

Access bills and mini statements
Dial *888#